Boat-propeller



(No Model.) Al SHOENINGER.

BOAT PROPELLER..

No. 328,527. Patented Oct. 2O,l 11885.

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NITED STATES PATENT rrrcn.

ADOLPH SHOENINGER, OF LAKE VIEV, ILLINOIS.

BOAT-PROPELLER.

SPECIFICATION forming part of Letters Patent No. 328,527, dated October 20, 1885.

Application filed July 8, 1884. Serial No. 137,103. (N o model.)

To @ZZ whom t may concern:

Be it known that I, ADoLrH SHOENINGER, a citizen of the United States of America, residing at Lake View, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Boat-Propellers, of which the following is a specification, reference being had therein to the accompanying drawings.

My invention relates to an improved propeller, and is especially adapted to use on small boats.

The object of the invention is to obtain simple and effective means for propelling the boat, to provide improved means for adjusting the paddle-wheels when occasion demands, and to arrange the propelling` mechanism in such a manner that the boat may be driven from either end.

To the accomplishment of the above the invention consists of the novel devices and combination of devices as will be described and claimed.

Reference will be made to the accompanying drawings, in which Figure 1 is a sectional plan View of part of a boat, Fig. 2, a side elevation thereof' with the paddle-wheel shown in dotted lines, and Fig. 3 a plan view of the boat complete.

Like letters refer to like parts in each view.

A represents the boat, and upon each side thereof, at suitable points near the center, there is provided a stud, c, which has bearings in an iron, b, secured to the side of the boat, as shown in Fig. 2. Upon stud a there is keyed a collar, c, formed upon its upper face with a ratchet, cZ. Sleeved loosely upon each stud a is an arm, e, these arms being held in position on the studs by any suitable washer, f. Pivoted upon each arm e is a pawl, g, which is adapted to engage with the ratchet eZ and hold said arms in a given position. In the outer end of each arm e ashaft, h, has bearings, these shafts each carrying a paddle-wheel, B, upon its outer end, and upon each of said shafts a sprocket-wheel, i, is keyed, as shown. Sleeved loosely upon each shaft are the two arms of a frame, C, shown clearly in Fig. l. rIhese frames C are preferably of the shape shown in Fig. 2, and in the apex of each a shaft, la, upon which a sprocket, Z, is keyed, has bearings. Upon the inner end of each shaft k there is formed a crank-arm, m, and the operators Z, described as keyed to said shafts k, are connected through the medium of sprocket-chains n with the wheels t' of shafts h.

Frames C are each secured to a strip, o, provided with a series of openings, p, through any one of which a suitable pin, q, may be passed into the side of the boat, for the purpose hereinafter mentioned.

lIlhe operation and manner of using my invention is as follows: It first being decided at what depth it is desirous to have the paddlewheels enter the water, the arms e are adjusted accordingly, and held in a fixed position through the medium of the pawl-andratchet attachment described. By the adjustment of these arms the paddle-shafts, which are mounted in the free ends thereof, are raised and lowered, and with them the paddles. This adjustment having been made and the pin q passed through the proper hole or openingp of strip o, to give a corresponding adjustment to frames C, the crank-arms m are operated, and with them the shafts upon which they are mounted, and the sprockets keyed to said shafts. Motion is thus imparted through the medium of chains 11, to sprocket-wheels 'Z and paddle-shafts h, and the boat moved forward or backward according to the direction in which the crank-arms are moved.

In the drawings, the parts are shown so arranged that the operator will occupy a position in the stern of the boat, but, if desired, the frames C may be swung upon shafts k as pivots, and the operator occupy a position farther forward.

Vhat I claim is.-

1. The combination, with boat A, of V- shaped frames C, shafts 7c, provided with crank-arms m, and mounted in said frame C, sprocket-wheels Z, mounted upon shafts le, and situated within the apex of the frames, sprocket-chains n, connecting wheel Z with the wheel t', mounted upon a paddle-wheel shaft, h, and a suitable supporting-frame for shafts k, as set forth.

2. The combination,with boat A, and strips o, secured to said boat and provided with a series of perforations, p, of pin q, and V- shaped frames G, supported upon said strips, as set forth.

In testimony whereof I affix my signature in presence of two witnesses.

Witnesses: ADOLPH SCIIOENINGER.

. M. J. CLAGnrr, LoUIs NoLTrNG.

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